package com.yhsimon.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

//自定义注解
public class Test03 {
    @MyAnnotation2(age=11,id=1)
    public void test(){

    }

    @MyAnnotation3("YHSimon")
    public void test2(){

    }
}

@Target({ElementType.TYPE,ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@interface MyAnnotation2{
    //注解的参数：参数类型+参数名()
    String name() default "";
    int age();
    int id() default -1; //如果默认值为-1，代表不存在
    String[] colors() default {"blue","yellow"};
}


@Target({ElementType.TYPE,ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@interface MyAnnotation3 {
    String value();
}